
<html>
<head>
    <title>动态创建按钮</title>
    <script src='http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js'></script>
</head>
<body>
<a href="#" id="AddMoreFileBox" class="btn btn-info">添加更多的input输入框</a></span></p>
<div id="InputsWrapper">
    <div><input type="text" name="mytext[]" id="field_1" value="Text 1"/><a href="#" class="removeclass"><input type='button' value='删除'></a></div>
</div>
<script>
    $(document).ready(function() {

        var MaxInputs       = 8; //maximum input boxes allowed
        var InputsWrapper   = $("#InputsWrapper"); //Input boxes wrapper ID
        var AddButton       = $("#AddMoreFileBox"); //Add button ID

        var x = InputsWrapper.length; //initlal text box count
        var FieldCount=1; //to keep track of text box added

        $(AddButton).click(function (e)  //on add input button click
        {
            if(x <= MaxInputs) //max input box allowed
            {
                FieldCount++; //text box added increment
                //add input box
                $(InputsWrapper).append('<div><input type="text" name="mytext[]" id="field_'+ FieldCount +'" value="Text '+ FieldCount +'"/><a href="#" class="removeclass"><input type="button" value="删除"></a></div>');
                x++; //text box increment
            }
            return false;
        });

        $("body").on("click",".removeclass", function(e){ //user click on remove text
            if( x > 1 ) {
                $(this).parent('div').remove(); //remove text box
                x--; //decrement textbox
            }
            return false;
        })

    });
</script>
</body>
</html>